To run a microprocessor faster than the speed for which it has been tested and approved. Overclocking is a popular technique for eking out a little more performance from a system. In many cases, you can force your CPU to run faster than it was intended simply by setting a jumper on the motherboard. Overclocking does come with some risks, however, such as over-heating, so you should become familiar with all the pros and cons before you attempt it.
Overclocking is sometimes called speed margining.
Overclocking: The Dissenting Opinion Provides an introduction to overclocking with sections on the benefits and risks associated with overclocking and whether or not your should overclock. This page is from "The PC Guide."
Maximum Hardware - Computer Hardware Performance Site Offers a collection of up-to-date information relevant to computer hardware performance. The site includes product information and news, a BIOS upgrade guide, performance reports, links to related sites, information about 3D games, and articles on video accelerators, motherboards, and overclocking.
Overclocking FAQ Compiled from the comp.sys.ibm.pc.hardware.chips newsgroup, this page offers answers to general questions about overclocking, including potential dangers and solutions.
SysOpt A system optimization community. News and forums for technology professionals who are obsessed with achieving maximum performance.
Unlocking the Multiplier, Part 2 Takes a close look at the way 'remarkers' unlock or change the multiplier lock and manage to sell CPUs originally rated at much lower speeds.This tutorial is provided by HardwareCentral.com.
